Pen stand



FIG. 1 is a perspective view of pen stand showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left elevational view thereof;

FIG. 5 is a right elevational view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a perspective view of the claimed design as shown in FIG. 1,with an inserted pen shown in broken lines for ease of illustration.

The broken lines are shown for ease of illustration, and form no part ofthe claimed design.

The ornamental design for pen stand, as shown and described.